The decommissioning of mines and mining-related activities brings about the onset of
rehabilitation. A legacy that most coal mines must address is the rehabilitation of the coal
discard dumps that are generated by ...

Lightning data are used in various applications from risk management to weather
forecasting providing valuable insight to everyday operations. In South Africa, the South
African Weather Services (SAWS) commissioned a new ...

Tourists, when visiting their destinations are often
attracted among others by the nature of the physical
environment. This includes the geomorphological and
climatological features as well as fauna and flora.
The ...

The purpose of this research was to assess the influences of transport infrastructure on
urban development and mobility in emerging megacities. The method is demonstrated
using the Gauteng City-Region as a case study. ...

This research investigates the contribution of informal waste collectors in the Johannesburg Metropolitan city to solid waste collection and disposal and the local economy. The areas examined were Braamfontein, Killarney ...

The city of today is a major performer for the secondary sector of the economy. Manufacturing and
processing facilities not only provide the city with the essential commodity inputs but also provide the
means of living ...

Electrical energy has evolved to become the main source of energy as it fuels the processes in
industry and other sectors. Electricity, generated at a power station, has to be transmitted to
the users through transmission ...

The underlying assumption of this thesis is that information is critical for effective energy policy support. The objectives set and attained for this study were to:
• assess existing solutions to the problem of supplying ...

The Vaal River Barrage reservoir (VRBR) was constructed by Rand Water in 1923 for the purpose
of ensuring an adequate raw water supply to meet the potable water requirements of the Pretoria,
Witwatersrand and Vaal ...

Coal mined in South Africa for the competitive international market, has to be
selected to meet the many quality specifications of customers. This upgrading
is done by washing the coal in a heavy medium separation plant. ...

Wetlands are being lost and degraded in urban areas. Urban wetlands perform a
diverse range of valuable functions. The loss of wetlands, therefore, has a negative
impact upon urban human populations. One of the major ...

The aim of this study is to integrate LANDSAT multispectral digital data with agricultural
statistics, to analyse, explain and forecast the spatial variation of crop
production in the Vermaas development area (south of ...

In South Africa, there are practically no freshwater lakes. Therefore, exploitable water supplies are confined to rivers, artificial lakes behind dams, and groundwater. The many demands for water, and the erratic flow of ...

In the last century, the establishment of protected areas has become an important part of
managing South Africa’s wilderness and wildlife. The notion of untouched protected areas is
becoming contested in a time when ...

Land cover changes associated with growing human populations and expected
changes in climatic conditions are likely to accelerate alterations in hydrological
phenomena and processes on various scales. Subsequently, these ...

Local Agenda 21 requires the public to participate in water quality monitoring. This
research aims to establish to what extent the youth/learners can play a role in the public
participation requirement of LA 21, and ...

In South Africa, high unemployment rates, uneven distribution of opportunities and
poverty are major concerns for the government. Poverty is defined as the
deprivation of people due to the lack of access, and their right, ...

The location of a solid waste landfill site is not only determined by the need of the local
population of an area but also by minimum requirements imposed by the Department of Water
Affairs and Forestry. These minimum ...